Update serializers.md

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/api-guide/serializers.md b/docs/api-guide/serializers.md
index 71f0abb7..9b6a547f 100644
--- a/docs/api-guide/serializers.md
+++ b/docs/api-guide/serializers.md
@@ -39,7 +39,7 @@ Declaring a serializer looks very similar to declaring a form:
             an existing model instance, or create a new model instance.
             """
             if instance is not None:
-                instance.title = attrs.get('title', instance.title)
+                instance.email = attrs.get('email', instance.email)
                 instance.content = attrs.get('content', instance.content)
                 instance.created = attrs.get('created', instance.created)
                 return instance